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| author | Mathias Baumann <marenz@supradigital.org> | 2018-12-05 19:22:18 +0800 |
|---|---|---|
| committer | Mathias Baumann <marenz@supradigital.org> | 2018-12-06 01:01:41 +0800 |
| commit | d0204eef2fa26c6774835cfe6027f053b85f98ec (patch) | |
| tree | 1c2ec758048a57021cb659fd0da8d4ccaf75252b /libyul | |
| parent | f4e9c70ecc7d4a8c354085b75fea720ab1ebe3a7 (diff) | |
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SSAValueTracker should only use nullptr for default values
Diffstat (limited to 'libyul')
| -rw-r--r-- | libyul/optimiser/SSAValueTracker.cpp | 2 | ||||
| -rw-r--r-- | libyul/optimiser/SSAValueTracker.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/libyul/optimiser/SSAValueTracker.cpp b/libyul/optimiser/SSAValueTracker.cpp index 35b29b04..ef96c379 100644 --- a/libyul/optimiser/SSAValueTracker.cpp +++ b/libyul/optimiser/SSAValueTracker.cpp @@ -37,7 +37,7 @@ void SSAValueTracker::operator()(VariableDeclaration const& _varDecl) { if (_varDecl.variables.size() == 1) setValue(_varDecl.variables.front().name, _varDecl.value.get()); - else + else if (!_varDecl.value) for (auto const& var: _varDecl.variables) setValue(var.name, nullptr); } diff --git a/libyul/optimiser/SSAValueTracker.h b/libyul/optimiser/SSAValueTracker.h index e182e013..efec2200 100644 --- a/libyul/optimiser/SSAValueTracker.h +++ b/libyul/optimiser/SSAValueTracker.h @@ -33,6 +33,8 @@ namespace yul * Class that walks the AST and stores the initial value of each variable * that is never assigned to. * + * Default value is represented as nullptr. + * * Prerequisite: Disambiguator */ class SSAValueTracker: public ASTWalker |